1606652768420 has 96 divisors (see below), whose sum is σ = 3887049019392. Its totient is φ = 546425647488.

The previous prime is 1606652768419. The next prime is 1606652768423. The reversal of 1606652768420 is 248672566061.

It is not an unprimeable number, because it can be changed into a prime (1606652768423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11315507 + ... + 11456613.

It is an arithmetic number, because the mean of its divisors is an integer number (40490093952).

Almost surely, 2^{1606652768420} is an apocalyptic number.

1606652768420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1606652768420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1943524509696).

1606652768420 is an abundant number, since it is smaller than the sum of its proper divisors (2280396250972).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1606652768420 is a wasteful number, since it uses less digits than its factorization.

1606652768420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141777 (or 141775 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 53.

The spelling of 1606652768420 in words is "one trillion, six hundred six billion, six hundred fifty-two million, seven hundred sixty-eight thousand, four hundred twenty".